Spring Co., Ltd.
Tokyo, JP· latest recorded location
Spring Co., Ltd. is named on 2 US grants and 2 published applications in this corpus. Its most frequent classification is C02F (Treatment of water, waste water, sewage, or sludge).
- Granted patents
- 2
- Published applications
- 2
- Inventors
- 2
- Granted in 2026 so far
- 0
- Most recent grant
- 22 Oct 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
By publication year.
Technology areas
Share of 4 documents
- C02FTreatment of water, waste water, sewage, or sludge4
- Y02EClean energy generation and storage4
- A61KMedicines and medical preparations2
- A61PTherapeutic uses of medicines2
- A61QSpecific use of cosmetics or similar toiletry preparations2
- B01DSeparation2
- C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals2